4.2.2.2 Connecting the current loop with or without HART communication (CH1)
Note
4 to 20 mA output
It is not required to use shielded cables for the pure 4 to 20 mA current output.
Note
HART communication
It is recommended by the FieldComm Group (FCG) to use shielded cables for the HART
communication.
Note
Passive channels only
Channel 1 power supply must be separated from that for channels 2 to 4.
Signal return (or common) can be joined.
Procedure
1. Remove cap and ferrule from cable gland and slide onto cable.
2. Push cable through open gland and cable path.
3. Restore ferrule and tighten cap to lightly hold cable in place.
4. Signal cable screen is folded back over outer sheath and grounded beneath cable clamp.
Connecting
4.2 Connecting FC430
SITRANS FC430
Compact Operating Instructions, 09/2019, A5E39940293-AB 37
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